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<h1 class="topictitle1">Example: CL user exit program for exit point QIBM_QZDA_INIT</h1>
<div><p>The following Control Language program handles ODBC security by
rejecting requests from certain users. It can be used as a shell for developing
exit programs tailored for your operating environment.</p>
<div class="example"> <pre>/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* @@ss1s@@ Servers - Sample Exit Program */
/* */
/* Exit Point Name : QIBM_QZDA_INIT */
/* */
/* Description : The following Control Language program */
/* handles ODBC security by rejecting */
/* requests from certain users. */
/* It can be used as a shell for developing */
/* exit programs tailored for your */
/* operating environment. */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
PGM PARM(&STATUS &REQUEST)
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Program call parameter declarations */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
DCL VAR(&STATUS) TYPE(*CHAR) LEN(1) /* Accept/Reject indicator */
DCL VAR(&REQUEST) TYPE(*CHAR) LEN(34) /* Parameter structure */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Parameter declares */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
DCL VAR(&USER) TYPE(*CHAR) LEN(10) /* User profile name calling server*/
DCL VAR(&SRVID) TYPE(*CHAR) LEN(10) /* database server value (*SQL) */
DCL VAR(&FORMAT) TYPE(*CHAR) LEN(8) /* Format name (ZDAI0100) */
DCL VAR(&FUNC) TYPE(*CHAR) LEN(4) /* function being preformed (0) */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Extract the various parameters from the structure */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
CHGVAR VAR(&USER) VALUE(%SST(&REQUEST 1 10))
CHGVAR VAR(&SRVID) VALUE(%SST(&REQUEST 11 10))
CHGVAR VAR(&FORMAT) VALUE(%SST(&REQUEST 21 8))
CHGVAR VAR(&FUNC) VALUE(%SST(&REQUEST 28 4))
/*------------------------------------------------------------------------
------------------------------------------------------------------------*/
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Begin main program */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* set return code to allow the request. */
CHGVAR VAR(&STATUS) VALUE('1')
/* if user name is GUEST set return code to reject the request. */
IF (&USER *EQ 'GUEST') THEN( +
CHGVAR VAR(&STATUS) VALUE('0') )
EXIT:
ENDPGM</pre>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaiksampluserextpgm.htm" title="The following examples do not show all of the programming considerations or techniques. Review the examples before you begin application design and coding.">Examples: User exit programs</a></div>
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